Diving sinker



FIG. 1 is a top plan view of my diving sinker showing my new design;

FIG. 2 is a side elevation, the opposite side elevation being identical;

FIG. 3 is a right end elevation;

FIG. 4 is a bottom plan view; and,

FIG. 5 is a left end elevation. 

The ornamental design for a diving sinker, as shown. 